The Democratic National Convention, nominally located in Milwaukee but mostly virtual, began on Monday to officially elect Joe Biden, 77, and his part-Indian origin running mate Kamala Harris, 55, as the party’s presidential candidate in this November’s elections. This event represents the business end of a long election cycle when the party platform is formally articulated. Much attention has been focused on Ms Harris and her non-White origins but the policy stances laid out by Mr Biden in recent weeks raise the real prospect of change. Many of the issues he has articulated are standard middle-of-the-road Democrat positions. But they

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